Dyfyniad APA

Barnes, H. F., & Nijveldt, W. C. (1946). Gall midges of economic importance. C. Lockwood.

Dyfyniad Arddull Chicago

Barnes, Horace Francis, and W. C. Nijveldt. Gall Midges of Economic Importance. London: C. Lockwood, 1946.

Dyfyniad MLA

Barnes, Horace Francis, and W. C. Nijveldt. Gall Midges of Economic Importance. C. Lockwood, 1946.

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